*{padding:0;margin:0;}
a{text-decoration: none;color: #0C0C0C;}
html{width:100vw;height: 100vh;font-size: 14px; /*给后面的rem用*/}
body{min-width: 360px;background-color:whitesmoke;}
nav{
    display: flex;
    justify-content:space-around;
    background-color: #e4e4e4;
    align-items: center;
    height: 2.7rem;
}
nav > a{
    font-weight: bold;
    color: #6b6665;
}
nav > a:first-of-type{
    margin-left: -1.5rem;
}
.book-info{
    display: flex;
    flex-flow: column nowrap;
    background-color: white;
    margin-top: 0.1rem;
}
.book-info-top{
    display: flex;
    width: 100vw;
    justify-content:flex-start;
}
.book-info-top > a:first-of-type{
    max-width: 28vw;
    margin-left: 1rem;
}
.book-info-top > a:last-of-type{
    margin-left: 4.8rem;
    display: flex;
    flex-flow: column nowrap;
    /*font-size: 1rem;*/
    /*font-weight: bold;*/
    justify-content: space-around;
}
.book-info-top > a:last-of-type > span:first-of-type{
    font-size: 1.1rem;
    font-weight: bold;
}
.book-info-top > a > span >i{
    color: #795da3;
    font-size: 0.7rem;
}
.book-info-bottom{
    margin-top: 0.5rem;
    display: flex;
    justify-content: flex-end;
    margin-right: 2rem;
    margin-bottom: 0.5rem;
}
.book-info-descr{
    font-size: 1rem;
    color: #6b6665;
    text-indent: 2rem;
}
.book-info-welfare{
    display: flex;
    justify-content: space-around;
    background-color: white;
    margin-top: 0.5rem;
    padding: 1rem 0;
}
.book-info-welfare > div{
    display: flex;
    flex-flow: column nowrap;
    color: #6b6665;
    /*justify-content: center;*/
    text-align: center;
}
.book-info-chapter-list{
    margin-top: 0.3rem;
    background-color: white;
    display: flex;
    flex-flow: column nowrap;
    text-align: center;
    font-size: 1.1rem;
    font-weight: bold;
    padding-bottom: 1.2rem;
}
.builtin{
    width: 95vw;
    margin-left: 0.8rem;
    margin-top: 0.2rem;
    margin-bottom: 0.8rem;
}
.hrdescr{
    height:1px;
    border:none;
    border-top:1px solid #d9d9d9;
    width: 87vw;
    margin-left: 2rem;
}
.book-info-chapter-list>a:last-of-type>span{
    font-size: 0.8rem;
    color: #b5b5b5;
}
.book-info-author{
    margin-top: 0.8rem;
    background-color: white;
    display: flex;
    flex-flow: column nowrap;
    /*justify-content: flex-start;*/
    /*align-items: self-start;*/
}
.book-info-author-desc{
    margin: 0.8rem 0;
    display: flex;
}
.book-info-author-desc>i{
    margin-left: 0.8rem;
}
.book-info-author-desc>span{
    margin-left: 1.2rem;
    font-size: 1.1rem;
    font-weight: bold;
}
.book-info-author-book-list{
    display: flex;
    flex-flow: column nowrap;
    margin-top: 0.8rem;
}
.book-info-author-book-list > a{
    height: 3rem;
    display: flex;
    align-items: center;
    margin-left: 1.7rem;
}
.book-info-author-book-list > a > img{
    width:3rem;
    height:3rem;
    border-radius: 50%;
    overflow:hidden
}
.book-info-author-book-list > a > span{
    margin-left: 1.2rem;
}
/*第一种书籍类型*/
.book-type-one{
    margin-top: 0.5rem;
    background-color: white;
}
.book-type-one-title{
    padding: 0.8rem 0;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
}
.book-type-one-title > div > span{
    font-size: 1.2rem;
    font-weight: bold;
    margin-left: 2rem;
}
.book-type-one-title > div > a{
    margin-right: 2rem;
}
.book-type-one-title > i{
    margin-left: 0.8rem;
}
.book-type-one-list{
    display: flex;
    flex-flow: row wrap;
    justify-content: space-evenly;
}
.book-type-one-detail{
    width:30vw;
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    background-color: rgba(250, 250, 250, 0.62);
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
}
.book-type-one-detail > a{
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-between;
}
.book-type-one-detail > a > img{
    width:100%;
    justify-content: space-between;
}
.book-type-one-detail > a > div{
    margin-left: 0.2rem;
    margin-bottom: auto;
    margin-top: 0.2rem;
}
.book-type-one-detail > a > span{
    color: #4E5465;
    font-size: 0.8rem;
    margin-left: auto;
    margin-right: 0.5rem;
}